反应详情

This compound was prepared in 44% yield as described in the final paragraph of Example 2, step d, but using 7-bromo-3-(1,1-difluoroethyl)imidazo[1,2-b][1,2,4]triazine instead of 7-bromo-3-trifluoromethylimidazo[1,2-b][1,2,4]triazine, and using 3-[2-fluoro-5-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)phenyl]pyridine (prepared as described in Example 3, step f) instead of 2′-fluoro-5′-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)biphenyl-2-carbonitrile: 1H NMR (360 MHz, CDCl3) δ 2.19 (3H, t, J 18.8 Hz), 7.36-7.47 (2H, m), 7.98 (1H, m), 8.08 (1H, m), 8.22 (1H, dd, J 2.3, 7.2 Hz), 8.45 (1H, s), 8.78 (1H, d, J 11.2 Hz), 8.85 (1H, s), 8.88 (1H, s); MS (ES+) m/z 356 [M+H]+. Anal. Found: C, 60.85; H, 3.45; N, 19.69%. Required for C18H12F3N5: C, 60.85; H, 3.40; N, 19.71%.

1. customThis compound was prepared in 44% yield